Why does the C code only output the initial character of the string?

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Without seeing the actual code, it's difficult to determine the exact reason why the C program is only outputting the initial character of the string. However, it could be due to a few common mistakes:

1. The code is only accessing the first character of the string: If the program is using an indexing system to access specific characters of the string, it's possible that the code is only designed to capture the first character or is using the wrong index.

2. The code is not properly iterating through the string: If the program is using a loop to iterate through the string, it's possible that the loop is not properly structured or is prematurely exiting without capturing the entire string.

3. The code is not properly terminating the string: C strings are null-terminated, meaning that they end with a null character ('\0'). If the program is not properly terminating the string, it may only output the initial character or stop prematurely.

4. The input string is not properly formatted: Depending on how the string is inputted into the program (e.g. through user input or a pre-defined string), the string may not be properly formatted or contain unexpected characters that cause the program to malfunction.